Vacuum tube
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1969.0733.002
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- OBJECT TYPE
- N/A
- DATE
- 1935
- ARTIFACT NUMBER
- 1969.0733.002
- MANUFACTURER
- Unknown
- MODEL
- Unknown
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 2
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- Glass tube with synthetic base and metal contacts
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- N/A
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Sound
- Sub-Category
- N/A
Manufacturer
- AKA
- Unknown
- Country
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- 1930S
- Canada
-
COMPONENT OF 1930S CBC RADIO STUDIO RECORDING SYSTEM USED TO RECORD IMPORTANT RADIO BROADCASTS OF ROYAL & POLITICAL ADDRESSES, OPENINGS OF PARLIAMENT, FUNERALS & WEDDINGS OF NOTABLES, MAJOR SHIP LAUNCHINGS & OTHER SIGNIFICANT CANADIAN EVENTS. - Function
-
Unknown - Technical
-
COMPONENT OF MARCONI BLATTNERPHONE,EXAMPLE OF EARLY USE OF RECORDING ON MAGNETIC TAPE IN RADIO. DEVELOPED IN EARLY 1930S IN LONDON BY BLATTNER & BBC FOR USE WITH WORDWIDE BBC EMPIRE BROADCAST SERVICE. RIGHTS TO DEVICE WERE PURCHASED BY MARCONI IN 1933. - Area Notes
-
Unknown
Details
- Markings
- N/A
- Missing
- N/A
- Finish
- Clear bulb with a black base and silver-coloured metal contacts and internal parts. Black burn mark on the inside of the glass and a faded grey manufacturer's marking on the outside.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Unknown Manufacturer, Vacuum tube, circa 1935, Artifact no. 1969.0733, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0733.002/
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